四分律行事鈔資持記 2.757

2.757

三中。《多論》不及一搩，亦許揲之。問：此用何磔量？答：戒文不簡，人多疑之。今準《十誦》戒本，明用如來磔手，故須縱廣二尺為定。

In the third: In the *Sarvāstivāda Vinaya Vibhāṣā*, even if not reaching one span, it is also permitted to patch it. Question: Which span measure is used here? Answer: The precept text does not specify, and many people doubt it. Now, based on the *Daśādhyāya-vinaya* prātimokṣa, it clearly uses the Tathāgata's span; thus it must be fixed as two cubits in length and width.